The Del Webb Corporation Photograph Collection (approximately 1957 to 1988) consists of black-and-white photographic prints, black-and-white oversize reprints, negatives, and color slides focusing on the Mint Hotel and Casino in downtown Las Vegas, Nevada. Images depict the construction of a twenty-six story high-rise addition to the property, its grand opening and anniversary celebrations, the Mint 400 Off-Road race festivities, interior shots of the casino floor, restaurants and lounges, and a salon. Also included are exterior images of properties on Fremont Street considered to be competitors of the Mint, advertisements and billboards, and photographs of Del E. Webb and associates.

The Jean Ford Photograph Collection (1964-1977) contains black-and-white photographic prints, contact sheets, and transparencies of Nevada politician and activist Jean Ford. The collection includes photographs of Jean Ford with the Nevada State Park Commission and various Nevadan politicians; Ford lecturing and campaigning; and of the 1977 National Women's Conference in Houston, Texas.

The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

The Stella Champo Iaconis Photograph Collection (approximately 1890-1950) contains four black-and-white photographic prints of the Helldorado Days celebration held in Las Vegas, Nevada and three photograph albums with family photographs. Included in the albums are images of Italian family members, and Stella and her sister Irene as young children on their family ranch in Southern Nevada in the 1920s and 1930s. The Champo family and other Las Vegas residents are prominently featured in photographs taken across Las Vegas, including at the Boulder Dam (Hoover Dam) dedication, the family's farm, and outside residences near downtown Las Vegas. The third album covers Stella Champo's personal life, with photographs of her first husband, Walter Cordano (married 1934-1942) and her second husband, John Iaconis. Included are trips to Los Angeles, California; Pioche, Ruth, and Goldfield, Nevada; and early downtown Las Vegas, including the Union Pacific Station. A partial inventory is available for the third album.